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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 12448000 CHEWUCH RIVER AT WINTHROP, WA


Okanogan County, Washington
Hydrologic Unit Code 17020008
Latitude  48°28'38", Longitude 120°11'07" NAD27
Drainage area 525  square miles
Gage datum 1,736.26 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1991-10-01 -> 2020-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 79 80 88 247 1,020 2,090 781 211 87 95 133 109
2 80 80 89 264 1,080 1,980 733 198 84 104 129 106
3 79 79 89 281 1,160 1,910 699 190 82 106 125 102
4 78 80 90 296 1,250 1,940 676 192 82 107 121 101
5 78 80 91 305 1,380 1,970 627 184 80 109 119 102
6 80 81 93 312 1,450 1,900 599 178 86 107 121 101
7 82 83 93 341 1,540 1,820 579 171 90 107 138 100
8 84 85 94 381 1,610 1,760 561 163 87 108 138 97
9 83 85 96 428 1,690 1,670 537 156 84 109 131 96
10 83 84 99 449 1,700 1,590 515 151 81 108 127 97
11 81 86 102 461 1,710 1,550 497 149 78 110 122 99
12 77 87 110 473 1,790 1,560 473 143 76 108 125 100
13 77 88 119 472 1,800 1,540 454 138 74 106 135 97
14 77 88 124 471 1,900 1,520 425 139 73 107 132 94
15 76 87 135 454 2,060 1,460 398 138 76 108 130 92
16 78 88 138 456 2,190 1,420 378 134 78 111 129 91
17 81 89 138 466 2,380 1,350 360 127 79 114 127 90
18 82 90 140 497 2,360 1,310 353 129 83 119 125 90
19 83 88 143 546 2,290 1,240 347 121 87 117 126 90
20 84 87 147 613 2,230 1,140 339 116 86 119 121 90
21 83 88 152 707 2,140 1,120 337 112 83 154 115 88
22 81 88 157 777 2,140 1,110 320 113 81 136 111 88
23 82 88 164 793 2,120 1,060 307 110 79 129 111 88
24 85 87 169 862 2,070 1,040 302 106 79 126 112 87
25 82 87 176 885 2,080 1,020 281 104 78 123 111 86
26 81 87 181 918 2,110 943 274 103 78 123 109 84
27 80 88 187 944 2,130 923 260 99 78 123 108 84
28 81 88 195 967 2,110 873 242 94 78 121 107 85
29 81 92 200 993 2,110 849 238 91 86 121 106 85
30 81   210 1,000 2,080 818 228 91 87 119 111 81
31 81   232   2,080   216 91   127   80